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Using Kolgomorov-Smirnov, ANOVA, item difficulty testing, Proportional Correct, Biserial Coefficient, and Kuder Richardson, the study measures reading comprehension alongside separate tests for vocabulary and grammar. Results indicate significant joint effects (Fo=4.160, Sig.=0.021\u003C0.05), significant vocabulary effects (to=2.662, Sig.=0.001\u003C0.05), and a non-significant grammar effect (to=-0.222, Sig.=0.082>0.05).",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/the-effects-of-vocabulary-and-grammar-mastery-toward-students-reading-comprehension-of-grade-x-research-abstract/491580/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/the-effects-of-vocabulary-and-grammar-mastery-toward-students-reading-comprehension-of-grade-x-research-abstract/491580.png","ImageObject",300,407,{"name":92,"@type":93},"Mary Man","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-04","2026-10-01",true,{"@type":102,"interactionType":103,"userInteractionCount":29},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What is the main objective of the study?","Question",{"text":112,"@type":113},"The study aims to obtain empirical data about how vocabulary mastery and grammar mastery affect students’ reading comprehension in Grade X.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"Which statistical methods are used in the research?",{"text":117,"@type":113},"The research applies Kolgomorov-Smirnov, ANOVA tables, Proportional Correct for item difficulty, Biserial Coefficient, and Kuder Richardson testing.",{"name":119,"@type":110,"acceptedAnswer":120},"What do the results show about vocabulary and grammar effects?",{"text":121,"@type":113},"Vocabulary mastery has a significant effect (to=2.662, Sig.=0.001\u003C0.05). Grammar mastery does not show a significant effect (to=-0.222, Sig.=0.082>0.05), while both together show a significant effect (Fo=4.160, Sig.=0.021\u003C0.05).","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},491580,1792174125,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":29,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":144,"read_time":145,"preview_page_count":4},7421720224475,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","THE EFFECTS OF VOCABULARY AND GRAMMAR MASTERY TOWARD STUDENT’S READING COMPREHENSION OF GRADE X OF STATE SENIOR HIGH SCHOOL STUDENTS IN WEST JAKARTA  \nUlfatussyarifah  \nProgram of Economic Education, Faculty of Social Science, University ofIndraprasta PGRIJalan Nangka No. 58C Tanjung Barat, Jagakarsa, Jakarta Selatan 12530  \n[fa.zafeera@gmail.com](fa.zafeera@gmail.com)  \nABSTRACT  \nThe objective of the research is to get empirical data concerning the effects of vocabulary and grammar mastery towards student’s reading comprehension. This research is done by Kolgomorov-Smirnov method, ANOVA Table, Proportional Correct for testing the item difficulties, Biserial Coefficient and Kuder Richarson testing. Samples are taken of the achievable population were 60 students from grade eleven of social and science in section 3 and 4 at SMA Negeri 14 Jakarta. Data collection is conducted by giving test for reading comprehesion, test for vocabulary mastery, and test for grammar. The results show that there are significant effects of vocabulary mastery and grammar mastery altogether towards student’s reading comprehension of X1 grade at state Senior High Schools in West Jakarta. It is proven by the score ofFo = 4,160 dan Sig. = 0,021 \u003C 0, 05. There is a significant effect of vocabulary mastery towards student’s reading comprehension as it is proved by the score of to = 2,662 dan Sig. = 0,001 \u003C 0,05 . There is a significant effect of grammar mastery towards student’s reading comprehension as it is proved by the score of to =-0,222 dan Sig. = 0,082 > 0,05  \nKey words: vocabulary mastery, grammar mastery, reading comprehension  \nABSTRAK  \nTujuan dari penelitian ini adalah untuk mendapatkan data empiris yang berkaitan dengan pengaruh penguasaan kosa kata dan tata bahasa terhadap pemahaman membaca siswa. Penelitian ini menggunakan metode Kolgomorov-Smirnov, tabel ANOVA, Proportional Correct for testing the item difficulties, Biserial coefficient dan Kuder Richarson testing. Sampel penelitian sebanyak 60 siswa kelas 11 IPS dan IPApada sesi ke-3 dan ke-4 di SMA Negeri 14 Jakarta. Pengumpulan data dilakukan dengan memberikan tes untuk pemahaman membaca, tesuntuk penguasaan kosakata, dan tes untuk penguasaan tata bahasa.. Hasil penelitian menunjukkan adanya pengaruh penguasaan kosakata dan tata bahasa secara bersama-samaterhadap pemahaman membaca. Hal ini dapat dibuktikan dengan nilai Fo = 4,160 dan Sig. = 0,021 \u003C 0,05. Terdapatpengaruh penguasaan kosakata terhadap pemahaman bacaan. Hal inidapat dibuktikan dengan nilai to = 2,662 dan Sig. = 0,001 \u003C 0,05. Terdapat pengaruh penguasaan tata bahasa terhadappemahaman bacaan. Hal ini dapat dibuktikan dengan nilai to =-0,222 dan Sig. = 0,082 > 0,05  \nKata kunci: penguasaan kosakata, penguasaan tata bahasa, pemahaman membaca  \nINTRODUCTION  \nThe mastery of large vocabulary has an important role in understanding sentences/texts, because vocabulary can help the learners to grasp the meanings of the utterances given. Mastering vocabulary is the way for the teachers to improve their student ’s reading comprehension in spoof text. Many students will understand more if they have already known vocabulary because they really help the students to comprehend the reading text. This is the reason why students are demanded to master the vocabulary before they comprehend the spoof text.  \nIn the world of education, teachers should have strategies or ways to teach vocabulary effectively. Good method of teaching will always become the major effect to students ’ vocabulary mastery. With it, the learners might probably improve their reading comprehension. However there are some teachers who teach the reading ineffectively. They need long time to explain the meaning of words and the phrases. A lot of time is wasted when they explain the synonym/antonym of words or similarities and differences of grammar. The learners cannot understand easily what the teacher explains because the teacher forces the learners to understand him/her","cbCaif1YPHURZICN","https://ap.wps.com/l/cbCaif1YPHURZICN","pdf",1035609,15,"English","# Abstract\n# Introduction","[{\"question\":\"What is the main objective of the study?\",\"answer\":\"The study aims to obtain empirical data about how vocabulary mastery and grammar mastery affect students’ reading comprehension in Grade X.\"},{\"question\":\"Which statistical methods are used in the research?\",\"answer\":\"The research applies Kolgomorov-Smirnov, ANOVA tables, Proportional Correct for item difficulty, Biserial Coefficient, and Kuder Richardson testing.\"},{\"question\":\"What do the results show about vocabulary and grammar effects?\",\"answer\":\"Vocabulary mastery has a significant effect (to=2.662, Sig.=0.001\\u003c0.05). Grammar mastery does not show a significant effect (to=-0.222, Sig.=0.082\\u003e0.05), while both together show a significant effect (Fo=4.160, Sig.=0.021\\u003c0.05).\"}]","THE EFFECTS OF VOCABULARY AND GRAMMAR MASTERY TOWARD STUDENT’S READING COMPREHENSION OF GRADE X - Research Abstract | PDF",1790851471,38]